Austin, Texas city officials are collaborating with the Centers for Disease Control to examine potential ties between the ever-growing dockless scooter craze and crashes—the first study of its kind in the U.S.

Researchers will provide questionnaires to people who have been injured in scooter crashes. The idea: looking for trends tied to the severity of their injuries.

The growing trend of U.S. cities adopting dockless scooters hasn’t been without some ire. An Austin Uber driver told NPR for an August report that he often has to keep his eyes peeled for scooter riders “going the wrong way on one-way streets” and “running through stop signs (and) red lights.”